If you're looking for a Unstock alternative, Leonardo is definitely worth a look. This AI image generator produces high-quality assets at a consistent speed and style. It comes with a range of features including image generation, AI Canvas for editing, 3D texture generation and more. It's geared for creators, teams and developers, and can be used in a variety of ways from character design to marketing and advertising.
Another good option is Facet. It lets you generate and edit images in real time with controllable image elements and advanced prompting. Facet is geared for creative pros who want to get some creative help but also steer the output. It's free to use, with several paid tiers, so you can pick the level of use that's right for you.
If you want an all-purpose image creation and editing tool, getimg.ai is worth a look. It's got an AI Generator, Image to Video conversion, AI Canvas to expand images, and a full-featured Image Editor. It's good for a variety of tasks, and its pricing is flexible with credits, so it's good for a variety of budgets.
Last, Impossible Images takes a different approach with its AI-generated stock images and its easy-to-use AI image generator. It's got a large catalog of categorized images you can use royalty free, and you can create custom images with prompts. The company ensures all AI-generated images are original and unique, so it's good for social media, design and marketing.